SkyWater Technology, Inc (SKYT) Insider Ownership

Historic Ownership Trends

Based on data from the past 90 days ending December 12, 2025, SkyWater Technology's three largest insider shareholders are Director Loren A Unterseher (5.14Mn shares), CEO Thomas Sonderman (521.76K shares), Cfo Steve Manko (277.12K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Oxbow Partners, Llc Cmi 21,960,324 19 Sep, 2022
Loren A Unterseher 5,139,212 01 Dec, 2025
Developments, L.L.C. Ddk 4,483,396 03 Aug, 2023
Bart L Zibrowski 4,483,396 03 Aug, 2023
Steven P. Wold Chief Admin Officer 639,091 22 Apr, 2021
Thomas Sonderman CEO 521,757 25 Nov, 2025
Gary J Obermiller 489,114 24 May, 2024
Thomas R. Lujan 462,258 23 Jan, 2024
Bradley Ferguson Chief Govt Affairs Officer 443,805 15 Aug, 2023
Mark Litecky Chief Revenue Officer 347,411 15 Aug, 2023
Steve Manko Cfo 277,122 18 Nov, 2025
Khoua Yang VP Of Finance 168,322 22 Apr, 2021
John Sakamoto President And COO 128,713 17 Oct, 2025
John Spicer EVP Operations 68,036 17 Mar, 2023
Steve Kosier Chief Technology Officer 63,504 15 Aug, 2023
Christopher Hilberg Chief Risk & Compl. Officer 49,871 10 Dec, 2025
Amanda Daniel Chief People Officer 43,699 15 Aug, 2023
Nancy Fares 43,501 23 May, 2025
Chunyi (Amy) Leong 40,923 24 May, 2024
Edward Daly 34,879 23 May, 2025
John T Kurtzweil 28,097 14 Jun, 2023
Joseph J Humke 23,713 23 May, 2025
Dennis J Goetz 23,713 23 May, 2025
Gregory B Graves 14,285 17 Mar, 2025
Timothy E Baxter 11,428 23 May, 2025
Andrew D.C. Lafrence 11,428 23 May, 2025
Tammy J Miller 11,428 23 May, 2025
Wendi B. Carpenter 10,537 22 Apr, 2021

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
08 Dec, 2025 Christopher Hilberg Common Stock D 867 $18.97 49,871 D F
26 Nov, 2025 Loren A Unterseher Common Stock D 100,000 $14.54 4,487,394 D S
21 Nov, 2025 Thomas Sonderman Common Stock D 5,210 $13.38 521,757 D S
21 Nov, 2025 Loren A Unterseher Common Stock D 100,000 $14.13 6,611,256 D S
21 Nov, 2025 Loren A Unterseher Common Stock D 100,000 $14.13 4,687,394 D S
24 Nov, 2025 Loren A Unterseher Common Stock D 100,000 $14.53 6,711,256 D S
24 Nov, 2025 Loren A Unterseher Common Stock D 100,000 $14.53 4,587,394 D S
18 Nov, 2025 Loren A Unterseher Common Stock D 9,662 $16.26 4,787,394 D S
14 Nov, 2025 Thomas Sonderman Common Stock D 5,207 $17.00 526,967 D S
14 Nov, 2025 Steve Manko Common Stock D 50,000 $17.40 277,122 D S
16 Oct, 2025 John Sakamoto Common Stock D 11,028 $16.59 128,713 D F
03 Oct, 2025 Loren A Unterseher Common Stock D 2,480,746 $0.00 0 I G
03 Oct, 2025 Loren A Unterseher Common Stock A 457,232 $0.00 687,812 I G
03 Oct, 2025 Loren A Unterseher Common Stock A 457,232 $0.00 687,812 I G
03 Oct, 2025 Loren A Unterseher Common Stock A 457,232 $0.00 687,811 I G
03 Oct, 2025 Loren A Unterseher Common Stock A 457,232 $0.00 687,811 I G
03 Oct, 2025 Loren A Unterseher Common Stock A 651,818 $0.00 651,818 I G
13 Nov, 2025 Loren A Unterseher Common Stock D 2,200 $20.55 4,809,056 D S
17 Nov, 2025 Loren A Unterseher Common Stock D 12,000 $17.45 4,797,056 D S
26 Sep, 2025 Loren A Unterseher Common Stock D 120,370 $18.02 6,811,256 D S